NEC Vt670 Projector User Manual

24
3. Projecting an Image (Basic Operation)
Place your projector on a flat level surface and ensure that the projector is
square to the screen.
Lift the front edge of the projector to center the image vertically.
*If the projected image does not appear square to the screen then use the
Keystone feature for proper adjustment. See page 26.
 Adjusting the Picture Size and Position
A
C
 
I
N
Z
OOMFOCU
S
AC IN
ZOOMFOCU
S
Adjust the Tilt Foot
1. Lift the front edge of the projector.
2. Push up the Adjustable...

25
3. Projecting an Image (Basic Operation)
AC IN
ZOOMFOCU
S
ZOOM
FO
C
U
S
FO
C
U
S
ZOOM
AC IN
ZOOMFOCU
S
FO
C
U
S
Focus
Use the FOCUS ring to obtain the best focus.
Zoom
VT676/VT670/VT575/VT470
Use the ZOOM lever to finely adjust the image size on the
screen.
VT47
Use the Digital ZOOM button on the projector cabinet to
electronically enlarge or reduce the image size.
NOTE: Digital Zoom can cause result in a blurry image because
zooming is made electronically.
VT47
VT676/VT670/VT575/VT470 

26
 Correcting Keystone Distortion
Auto Keystone Correction
The Auto Keystone correction feature will correct the vertical distortion of a projected image on the screen. No special
operation required. Just put the projector on a flat surface.
Note that the vertical keystone angle can be corrected between 30 degrees upward and 30 degrees downward of
projector tilt from level.
3. Projecting an Image (Basic Operation)
NOTE: Auto and Manual Keystone correction angle could be less than 30 degrees depending...

27
3. Projecting an Image (Basic Operation)
5. Press the MENU button to close the menu.
NOTE: You can save the changes using the Keystone Save
feature when you turn off the projector. See page 39. 

28
3. Projecting an Image (Basic Operation)
 Optimizing RGB Picture Automatically
Adjusting the Image Using Auto Adjust
Optimizing an RGB image automatically.
Press the AUTO ADJ. button to optimize an RGB image automatically.
[Poor picture]
[Normal picture]
VIDEO
AUTO
ADJ.
S-VIDEO COMPUTER-1 COMPUTER-2
VOLUMES-VIDEOVIDEO L-CLICK
MOUSER-CLICK
AUTO ADJ. COMPUTER
ASPECT HELP
FREEZE PICTURE
1
2
Press the AUTO ADJ. button to fine-tune the computer image or to remove any vertical banding that might appear...

29
 Turning off the Projector
To turn off the projector:
3. Projecting an Image (Basic Operation)
LAMP
STATUS
POWER VIDEO
AUTO
ADJ.
S-VIDEO COMPUTER-1 COMPUTER-2
ON/STAND BY
SELECT
L-CLICK
ENTEREXIT MENUUP MAGNIFY PAGEOFF
POWERON
PIC-MUTE
DOWN
R-CLICK
First, press the POWER (ON/STAND BY) button on the
projector cabinet or the POWER OFF button on the re-
mote control. The “Power Off / Are you sure?” message
will appear.
CAUTION
Do not unplug the power cable from the wall outlet or do not turn off
the...

30
4. Convenient Features
 Turning off the Image and Sound
Press the PIC-MUTE button to turn off the image and sound for a short
period of time. Press again to restore the image and sound.
ENTEREXIT MENUUP MAGNIFY PAGEOFF
POWERON
PIC-MUTE
DOWN
 Freezing a Picture
Press the FREEZE button to freeze a picture. Press again to resume
motion.
 Enlarging and Moving a Picture
ENTEREXIT MENUUP MAGNIFY PAGEOFF
POWERON
PIC-MUTE
DOWN
You can enlarge the picture up to 400 percent.
To  do so:
1. Press the MAGNIFY...

31
4. Convenient Features
 Using Remote Mouse Receiver (VT676/VT670/VT470 only)
The remote mouse receiver enables you to operate your computer’s mouse functions from the remote control. It is a
great convenience for clicking through your computer-generated presentations.
Connecting the remote mouse receiver to your computer
If you wish to use the remote mouse function, connect the mouse receiver and computer.
The mouse receiver can be connected directly to the computer’s USB port (type A).
NOTE:...

32

 Using the Menus
NOTE: The on-screen menu may not be displayed correctly while interlaced motion video image is projected.
1. Press the MENU button on the remote control or projector cabinet to display the Menu.
5. Using On-Screen Menu
ENTEREXITUP MAGNIFY PAGEOFF
POWERON
PIC-MUTE
DOWN
MENU
2. Press the SELECT 
 or  button on the remote control or the projector cabinet to highlight the menu for
the item you want to adjust or set.
ENTEREXIT MENUUP MAGNIFY PAGEOFF
POWERON
PIC-MUTE
DOWN
ENTEREXIT MENUUP...

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5. Using On-Screen Menu
4. Use the SELECT 
 or  button on the remote control or the projector cabinet to select the item you want
to adjust or set.
ENTEREXIT MENUUP MAGNIFY PAGEOFF
POWERON
PIC-MUTE
DOWN
5. Adjust the level or turn the selected item on or off by using
SELECT 
 or  button on the remote control or the projector
cabinet.
The on-screen slide bar will show you the amount of increase
or decrease.
Changes are stored until you adjust it again.
EXIT ...................... Return to the...